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asm/quote.c: fix range cutoffs for UTF-8

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The various UTF-8 byte cutoffs were off by a factor of 2. Fix.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2019-06-06 17:15:16 -07:00
parent 8eb1c3270a
commit d4b20355d2
1 changed files with 5 additions and 5 deletions
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10
asm/quote.c
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@ -197,31 +197,31 @@ static unsigned char *emit_utf8(unsigned char *q, uint32_t v)
}
vb1 = v >> 6;
if (vb1 <= 0x3f) {
if (vb1 <= 0x1f) {
*q++ = 0xc0 + vb1;
goto out1;
}
vb2 = vb1 >> 6;
if (vb2 <= 0x1f) {
if (vb2 <= 0x0f) {
*q++ = 0xe0 + vb2;
goto out2;
}
vb3 = vb2 >> 6;
if (vb3 <= 0x0f) {
if (vb3 <= 0x07) {
*q++ = 0xf0 + vb3;
goto out3;
}
vb4 = vb3 >> 6;
if (vb4 <= 0x07) {
if (vb4 <= 0x03) {
*q++ = 0xf8 + vb4;
goto out4;
}
vb5 = vb4 >> 6;
if (vb5 <= 0x03) {
if (vb5 <= 0x01) {
*q++ = 0xfc + vb5;
goto out5;
}